TECHNO-CHEMICAL ANALYSIS. - Journal of the American Chemical

TECHNO-CHEMICAL ANALYSIS. A. H. Gill. J. Am. Chem. Soc. , 1905, 27 (4), pp 454–454. DOI: 10.1021/ja01982a021. Publication Date: April 1905...
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SEW BOOKS.

The typography and illustrations are executed with the care and skill for which the house of Vieweg is noted. A. €1. GILL. TECHKO-CHEMICAL ANALYSIS. BY DR. G. LUNGE. Authorized Translation by ALFRED I. COHN. S e w Uork: John Wiley 2k Sons. 19oj. 136 pp. Price, $1.00.

This little book is perhaps best described as an extended index to Lunge’s ‘ ‘ Chemische-Technische Untersuchungsmethoden.” It deals in a general way with all the analytical methods involT7ed in chemical manufactures. In its small compass i t is not to be expected that other than the more important methods could be described in detail, and such is the case. Searly- one-third of the volume is devoted to gas analysis and the measurement of gases, perhaps because this branch of volumetric analJ-sis is coming to be more extensively employed in technical work. In some cases the translator has followed the German idioms too closely ; this is seen in carbonic-acid-free-lyes, pyrogallolpotassium, steam cylinder oils, araeometer, a gas burette enclosed in a water mantle, and Stassfurter potassium chloride. The work will, doubtless, be found .i-aluable to those wishing a general view of the field of analytical chemistry as applied to the industries of the Continent, no reference bring made to English or Xmerican literature. -4. H. GILL I I E T H O D S O F .ANALYSIS O F T H E CENTR.4L L A B O R A T O R L OF T H E IT.II.IAN c u S T o & f S HOCSE. BY DR. VITTORIOYILLATECHIA, Director, Rome :

P. Scott &

CO.

1904.

X’olume V of the report of the Central Laboratory of the Italian Customs Service is published in two parts. Part First, 6 0 2 pages, is devoted to a description of the methods used for the exarnination of water, chemical products, fertilizers, cementing materials, combustibles, coal tar and its products, mineral oils and products derived therefrom, fatty substances, artificial industrial products coming from fats, and milk and its products. The second volume, 663 pages, treats of essential oils, turpentine and its products, starches and derivative products, sugar and substances containing sugar, spirits and liquors, beers, wines, coloring-materials, varnishes, and textile fabrics. In the year 1903, 11,668 samples were examined in the Customs Laboratory. Of these sugars represented 6 , 2 3 0 : beers, I , 6j 3 ; mineral oils, 1 , 2 5 3 ; wines and rermouth, 674; fats, soaps and